"The many different benefits of Quercetin are well known, and onions are a great source of this antioxidant, However since I am not going to eat an onion every day, this is a great alternative.
Natrol"... (read full reviews)

"Good quality Quercetin. I purchased this brand because the Vitacost Activated Quercetin was out of stock when I needed to reorder. I personally prefer the Vitacost brand of capsules to these hard"... (read full reviews)